diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 46be7ff..f5f6f5f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,14 +10,14 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
 
     <application
-        android:allowBackup="true"
+        android:allowBackup="false"
         android:icon="@drawable/ic_app_icon"
         android:label="SimpleLogUpload"
         android:networkSecurityConfig="@xml/network_security_config"
         android:supportsRtl="true"
         android:largeHeap="true"
         android:requestLegacyExternalStorage="true"
-        android:usesCleartextTraffic="true"
+        android:usesCleartextTraffic="false"
         android:theme="@style/Theme.AppCompat.DayNight.DarkActionBar">
         
         <!-- Main Activity -->
diff --git a/app/src/main/java/com/mattintech/simplelogupload/util/PreferencesUtil.java b/app/src/main/java/com/mattintech/simplelogupload/util/PreferencesUtil.java
index 1ed2c54..bacb4ce 100644
--- a/app/src/main/java/com/mattintech/simplelogupload/util/PreferencesUtil.java
+++ b/app/src/main/java/com/mattintech/simplelogupload/util/PreferencesUtil.java
@@ -100,7 +100,9 @@ public class PreferencesUtil {
     public static String getServerBaseUrl(Context context) {
         String address = getServerAddress(context);
         int port = getServerPort(context);
-        return "http://" + address + ":" + port;
+        // Use HTTPS for port 443 (standard HTTPS port)
+        String protocol = (port == 443) ? "https://" : "http://";
+        return protocol + address + ":" + port;
     }
     
     /**
diff --git a/app/src/main/res/layout/activity_welcome.xml b/app/src/main/res/layout/activity_welcome.xml
index 85fb1ee..8c63669 100644
--- a/app/src/main/res/layout/activity_welcome.xml
+++ b/app/src/main/res/layout/activity_welcome.xml
@@ -10,7 +10,8 @@
         android:layout_width="120dp"
         android:layout_height="120dp"
         android:layout_marginTop="32dp"
-        android:src="@android:drawable/ic_menu_upload"
+        android:src="@drawable/ic_app_icon"
+        android:contentDescription="SimpleLogUpload logo"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />